September Weather in Fishbourne, United Kingdom

Last updated: March 17, 2025

In September, Fishbourne, United Kingdom, experiences a gentle transition into autumn with an average temperature of 16°C (62°F), peaking at a comfortable 23°C (74°F) and dipping to a minimum of 9°C (49°F). The month sees approximately 61 mm (2.4 in) of precipitation spread over 10 days, contributing to a humidity level of 82%. This blend of mild temperatures and occasional rainfall creates a refreshing atmosphere, perfect for enjoying the picturesque landscapes and local charm that Fishbourne has to offer.

September Temperature in Fishbourne

In September, Fishbourne, United Kingdom, experiences a pleasant transition as summer begins to fade. The temperatures range from a gentle 9°C (49°F) at night to a comfortable 23°C (74°F) during the day, with an average of 16°C (62°F). This marks a noteworthy shift from the warmer highs of late summer, yet the lingering mildness allows for enjoyable outdoor activities. As the month progresses, the cool nights hint at the approaching autumn, making September a delightful time to explore the region before the chill sets in. Overall, this month balances the remnants of summer warmth with the refreshing touch of fall, creating a harmonious climate for residents and visitors alike.

September Weather in Fishbourne: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fishbourne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444546495460646461575147
Data source: Temperature data for Fishbourne generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Fishbourne

In September, Fishbourne experiences a pleasant transition into autumn, with precipitation measuring 61 mm (2.4 in) over 10 rainy days. This month continues the trend of summer's lingering rain, though the amount is notably lower than August's 83 mm (3.3 in), indicating a gradual decline as the region shifts towards the wetter months ahead. While September's rainfall is substantial, it pales in comparison to the impending downpours of October, which historically averages 126 mm (5.0 in). As summer gives way to fall, Fishbourne prepares for the seasonal soak, but September still maintains a relatively moderate and bearable wetness, perfect for enjoying the early autumn scenery.

September Precipitation Trends in Fishbourne

The chart displays monthly precipitation patterns in Fishbourne, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec75827331517159836112698131
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fishbourne

In September, Fishbourne experiences a noticeable shift in humidity, measuring around 82%, which reflects a slight increase from the 71% recorded in July and 76% in August. This trend indicates the gradual transition from the drier summer months back to the more humid conditions typical of autumn. As the year progresses, humidity levels will climb again, peaking at 90% in October and maintaining high levels through the winter. This pattern underscores the coastal climate of Fishbourne, where humidity often fluctuates, creating a distinct seasonal rhythm that shapes the local environment.

September Average Humidity in Fishbourne

This chart illustrates the average monthly humidity levels in Fishbourne, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fishbourne

As September rolls into Fishbourne, the UV Index stands at 6, categorizing the exposure as high. This marks a slight dip from the preceding months of July and August, which both experienced very high UV levels. With a burn time of 25 minutes, it's important for residents and visitors to remain vigilant and protect their skin when outdoors—an essential reminder as late summer sun still packs a punch. Observing the trend from earlier months, the UV Index typically begins to decrease as autumn approaches, signaling a shift in seasonal sun intensity. For more insights on managing sun exposure in Fishbourne, check out the detailed information at Fishbourne UV Index.

Maximum UV Index Levels in Fishbourne for September

The chart shows the monthly maximum UV Index (UVI) for Fishbourne in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Fishbourne September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Fishbourne

As the summer sun begins to wane, September in Fishbourne, United Kingdom offers a delightful embrace of warmth with an impressive 322 hours of sunshine. This marks a noticeable dip from the sun-drenched heights of July and August, yet it still stands as one of the brighter months of the year. In fact, September shines brighter than the chilly autumn months ahead, hinting at a gradual transition where the golden rays of summer linger just a bit longer. With a steady increase from January's mere 105 hours to the peak of summer, this month exemplifies the gentle decline into fall, drawing visitors to enjoy the lingering warmth and vibrant hues of early autumn.

Monthly Sunshine Duration in Fishbourne: September Highlighted

The September sunshine duration represents the total number of hours Fishbourne experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec105h151h226h346h415h410h424h387h322h254h161h120h
Data source: Fishbourne September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fishbourne During September

In September, the chance of sunny weather in Fishbourne, United Kingdom hovers around 37%, making it a month where summer's warmth lingers just a bit longer. This figure reflects a subtle decline from the peak of spring, with April boasting the highest likelihood of sunshine at 58%. While September does not quite reach those sunny heights, it outshines the transitional months of October and November, which dip to 31% and 38%, respectively. This gradual decrease in sunshine from the vibrant days of summer suggests that, while the sun may begin to shy away, September still offers ample opportunities to bask in its light before autumn fully takes hold.

Percentage of Sunny Days in September in Fishbourne

The chart illustrates the percentage of sunny days in Fishbourne throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Fishbourne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%26%40%58%42%31%43%35%37%31%38%21%
Data source: Fishbourne September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fishbourne in September

As September unfolds in Fishbourne, United Kingdom, the days gradually begin to shorten, offering around 12 hours of daylight. This transition marks a shift from the long, sun-drenched days of summer, with June peaking at 16 hours, to the more modest light available as autumn approaches. Following the vibrant 15 hours of daylight in July and 14 hours in August, September heralds a gentle decline, hinting at the cozy, introspective months ahead. As the landscape transitions, the rich hues of early fall start to replace the lush greens of summer, inviting residents to embrace the beauty of seasonal change.

Average Daylight Hours in Fishbourne for September

The chart illustrates the variation in daylight duration in Fishbourne throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m8h
Data source: Fishbourne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Fishbourne

As September rolls into Fishbourne, the wind begins to feel a gentle shift, with an average speed of 5.2 m/s (12 mph), closely mirroring the calmer breezes of June and July. This month marks a transition from the warmer summer winds, which tended to be a bit stronger, notably at 5.8 m/s (13 mph) in August. September's cooling breezes hint at the arrival of autumn, where average wind speeds dip before picking up again in October to 6.8 m/s (15 mph). The overall trend showcases a steady decrease from the year's peak later in the summer, allowing the tranquil ambiance of early autumn to take center stage in Fishbourne as nature prepares for the seasonal shift.

Average September Wind Speed in Fishbourne

The chart displays monthly wind speed patterns in Fishbourne, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.17.56.25.26.54.35.05.85.2 m/s6.85.97.0
Data source: Fishbourne September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Fishbourne Compares to Other Months

The weather in Fishbourne changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Fishbourne and find detailed weather information for every month.

September and January present distinctly different weather patterns. In September, temperatures range from a mild 9°C (49°F) to a pleasant maximum of 23°C (74°F), with an average of 16°C (62°F). The month experiences around 61 mm (2.4 in) of precipitation spread over approximately 10 days, accompanied by relatively high humidity of 82%. In contrast, January is much colder, with temperatures dipping to a minimum of 1°C (33°F) and peaking at just 13°C (55°F), averaging 7°C (44°F). This winter month receives slightly more precipitation at 75 mm (2.9 in) over about 12 days, and the humidity rises to 91%. For a closer look at how January weather can vary, check out Fishbourne weather in January.

September and February present contrasting weather patterns, showcasing the transition from late summer to winter. In September, temperatures range from a cool 9°C (49°F) at night to a pleasant maximum of 23°C (74°F) during the day, with an average of 16°C (62°F). The month sees about 61 mm (2.4 in) of precipitation over 10 days, accompanied by a humidity level of 82%. In stark contrast, February is colder, with temperatures dipping to a minimum of -2°C (29°F) and only reaching a maximum of 12°C (54°F), resulting in an average of 7°C (45°F). This month experiences higher precipitation at 82 mm (3.2 in) over 13 days, along with an increased humidity of 89%. For a detailed view of February conditions, check out Fishbourne weather in February.

September and March exhibit distinct weather characteristics, reflecting the transition between summer and winter. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 23°C (74°F), with an average of 16°C (62°F). The month experiences 61 mm (2.4 in) of precipitation over about 10 days and maintains a humidity level of 82%. In contrast, March is considerably cooler, with temperatures dipping from a minimum of -2°C (29°F) to a maximum of 13°C (56°F) and an average of 8°C (46°F). This month sees a higher precipitation total of 73 mm (2.9 in) spread over approximately 14 days, coupled with a slightly higher humidity of 86%. For more detailed insights into the weather patterns, you can visit Fishbourne weather in March.

September typically boasts warmer weather compared to April, with average temperatures reaching around 16°C (62°F) during the day, contrasted with April’s cooler average of 9°C (49°F). The maximum temperatures in September can soar to 23°C (74°F), while April peaks at a milder 17°C (62°F). Additionally, September experiences more precipitation at 61 mm (2.4 in) across about 10 days, compared to April's lighter 31 mm (1.2 in) over just 6 days. Humidity levels are relatively similar, with September at 82% and April slightly higher at 85%. For more details on April weather conditions, you can refer to Fishbourne weather in April.

When comparing the weather in September and May, September generally enjoys milder temperatures, with average highs reaching 23°C (74°F), while May averages a cooler 20°C (68°F). The minimum temperatures in September also show a more comfortable range, starting at 9°C (49°F) compared to May’s lower minimum of 5°C (42°F). Precipitation levels are somewhat similar, with September receiving 61 mm (2.4 in) and May experiencing slightly less at 51 mm (2.0 in), both spread over approximately ten days. Humidity is fairly high in both months, with September at 82% and May at 79%, creating a relatively moist environment in both seasons. For more details on May weather, you can visit Fishbourne weather in May.

When comparing the weather in September and June, both months exhibit relatively mild temperatures, but September tends to be slightly warmer with an average of 16°C (62°F) compared to June's average of 15°C (60°F). The maximum temperatures in September reach up to 23°C (74°F), while June sees a high of 22°C (72°F). Precipitation levels are somewhat comparable, with September experiencing 61 mm (2.4 in) of rain over 10 days, and June seeing 70 mm (2.8 in) over just 9 days. Humidity is quite similar in both months, with September at 82% and June at 80%. For a closer look at the specifics of June weather, you can check out Fishbourne weather in June.

In comparing the weather between September and July, it is evident that September typically offers cooler temperatures, with a minimum of 9°C (49°F) and an average of 16°C (62°F), while July starts at a warmer minimum of 13°C (55°F) and an average of 18°C (64°F). Both months share a maximum temperature of 23°C (74°F), but September tends to be rainier, experiencing about 61 mm (2.4 in) of precipitation over 10 days, compared to July's 59 mm (2.3 in) over 11 days. Additionally, September has higher humidity levels at 82%, whereas July's humidity is more comfortable at 71%. For further details on July weather, you can check Fishbourne weather in July.

In comparing the weather between September and August, September tends to be cooler, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 23°C (74°F), compared to August's slightly warmer range of 12°C (53°F) to 25°C (77°F). Precipitation is more frequent in August, with 83 mm (3.3 in) falling over 12 days, while September sees a reduction in both amount and frequency, recording 61 mm (2.4 in) over 10 days. Additionally, September's humidity is higher at 82%, making the air feel a bit heavier than in August, which has a humidity level of 76%. For those interested in more detailed weather specifics for August, visit Fishbourne weather in August.

September weather offers a mild transition into autumn, with average temperatures ranging from a minimum of 9°C (49°F) to a comfortable maximum of 23°C (74°F). However, it does experience around 61 mm (2.4 inches) of rain over approximately 10 days and has a relatively high humidity level of 82%. In contrast, October brings cooler temperatures, with a minimum of 5°C (42°F) and an average high of 20°C (68°F). The month is notably wetter, with precipitation rising to 126 mm (5.0 inches) over about 16 days and humidity increasing to 90%. For more insights on the weather in October, you can find information here: Fishbourne weather in October.

September generally offers milder weather compared to November, with average temperatures ranging from a minimum of 9°C (49°F) to a comfortable maximum of 23°C (74°F). In contrast, November sees cooler temperatures, with averages dipping to a minimum of 2°C (35°F) and a maximum of 16°C (61°F). Additionally, September experiences less precipitation at 61 mm (2.4 in) over approximately 10 days, while November is wetter, with 98 mm (3.9 in) falling over 16 days. The humidity also rises in November to 92%, compared to September's 82%. For more detailed insights into November's weather, visit Fishbourne weather in November.

September and December present contrasting weather patterns. In September, temperatures are milder, with an average of 16°C (62°F) and highs reaching up to 23°C (74°F), while the minimum temperature hovers around 9°C (49°F). There is moderate precipitation of 61 mm (2.4 in) over approximately 10 days, and humidity levels sit at 82%. In contrast, December brings chillier conditions, with average temperatures dropping to 8°C (47°F) and highs peaking at 13°C (56°F). The month is also wetter, experiencing around 131 mm (5.2 in) of rainfall over 17 days, along with increased humidity of 92%. For more detailed information, you can check Fishbourne weather in December.

Compare Fishbourne's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Fishbourne

As September unfolds in Fishbourne, the weather offers a gentle transition from the warm summer days, with average temperatures settling around a comfortable 16°C (62°F), peaking at a pleasant 23°C (74°F). The nights cool off, dropping to a minimum of 9°C (49°F), inviting the refreshing embrace of autumn. While this month experiences about 10 days of precipitation, bringing a total of 61 mm (2.4 in) of rain, it is offset by the high humidity of 82%, creating a unique, crisp atmosphere that contrasts sharply with the drier, warmer days of summer. For a deeper understanding of what each month brings, explore the full details at Fishbourne Climate.